CN107089570B - A kind of elevator lifting security protection system control method - Google Patents
A kind of elevator lifting security protection system control method Download PDFInfo
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- CN107089570B CN107089570B CN201710513926.4A CN201710513926A CN107089570B CN 107089570 B CN107089570 B CN 107089570B CN 201710513926 A CN201710513926 A CN 201710513926A CN 107089570 B CN107089570 B CN 107089570B
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- Prior art keywords
- pawl
- counterweight
- carriage
- braking
- brake
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0018—Devices monitoring the operating condition of the elevator system
- B66B5/0031—Devices monitoring the operating condition of the elevator system for safety reasons
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/04—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed
- B66B5/06—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions for detecting excessive speed electrical
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/02—Applications of checking, fault-correcting, or safety devices in elevators responsive to abnormal operating conditions
- B66B5/16—Braking or catch devices operating between cars, cages, or skips and fixed guide elements or surfaces in hoistway or well
- B66B5/26—Positively-acting devices, e.g. latches, knives
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/28—Buffer-stops for cars, cages, or skips
- B66B5/284—Buffer-stops for cars, cages, or skips mounted on cars or counterweights
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Elevator Control (AREA)
Abstract
The invention discloses a kind of elevator lifting security protection system control methods, including program input and original state control, velocity estimated and stable steering control, control for brake, forced brake control.This elevator lifting security protection system control method avoids the drawbacks of using the tediously long of conventional power cable way to take power, fatiguability damage；Conventional brake is carried out by the way of magnetic force control；It drags the potential energy absorption pattern of pawl to realize by sacrificing braking effectively to brake carriage and/or counterweight implementation by force；Braking, which drags pawl to rout up after the lock tongue that can push solenoid electric valve under the elastic force of brute spring acts on open by bevel structure, under power failure state prevents carriage and/or counterweight from surprisingly falling, power loss situation can drag pawl resetting-mechanism to drag pawl to be resetted braking to guarantee the normal operation of elevator after releasing by braking, and realization effectively protects elevator lifting.
Description
Technical field
The present invention relates to a kind of security protection system control method, specifically a kind of elevator lifting security protection system control
Method belongs to elevator safety protection field.
Background technique
With the development of society, elevator using more and more common, only used from original in commercial mansion, hotel, mistake
It crosses in places such as office building, residential buildings and uses, the most universal with vertical lift elevator, this vertical lift elevator is popularized,
It brings convenience to people's lives, but incident elevator accident also gradually increases, people also increasingly begin to focus on vertical
The safety prevention measure of straight elevator.
Vertical lift elevator generally comprises four large spaces and eight big systems, and four large spaces include computer room part, hoistway and ground
Hole part, cab portion and stop part, eight big systems generally comprise traction system, guidance system, compartment system, door system,
Weight balancing system, electric drive system, electric control system and safety system, the safety of elevator is in addition in structure
Outside being fully considered in terms of the reliability of reasonability, reliability, electrical control and dragging, set also directed to the various possible danger occurred
Set special safety device.
There are many elevator lifting safety prevention measure common at present, the overspeed protection dress such as comprising limiter of speed and safety tongs
It sets, the over-hoisting protection device comprising buffer, emergency stop safeguard protection and apparatus for examination and repair, end station is slowed down and limiting and protecting device, door
Safety guard, disconnected rope belt break protection device etc., although these traditional safety prevention measures can be right to a certain extent
The normal lifting of elevator runs protection with high safety, but still has the following deficiencies:
1. each safety device is both needed to electric power support, and existing elevator is that electricity is supplied by the way of power cable
Power not only makes elevator lifting that need to especially provide the tractive force of traction support power cable, power consumption increasing, but also follows carriage mobile
, the logical power cable for passing through elevator shaft it is longer, power cable, which is generally in, usually in carriage moving process continuously bends
State, therefore power cable can be because of the fatigue damage of outsourcing rubber caused by often bending, and then there are the hidden of larger electric fault
Suffer from.
2. the limiter of speed of traditional overspeed protective device is typically mounted on the ground of elevator(lift) machine room or puigging, governor rope
Tensioning wheel be mounted on well pit, governor rope pile warp speed limit device wheel and tensioning wheel form a totally enclosed loop, both ends
It is mounted on the lever system that handling safety clamps on car frame by rope end connection frame, not only structure is complicated, but also is easy to appear just
Often wirerope skids in the slot of governor sheave when operation, governor rope fracture or overrelaxation act on tensioning apparatus forfeiture
Etc. situations.
3. traditional safety device competence exertion must generally be acted in the case where there is alternating current, once elevator stops
Electricity, device do not work usually, and such as traditional disconnected rope belt break protection device is in speed limiter wire rope, the transmission skin of tachometer generator
Band and the steel band of layer and signal feedback device is selected to be designed with disconnected rope and disconnected belt switch, once disconnected rope or disconnected this switch of band situation occurs
It acts at once, cut-off safe control loop forces elevator out of service, but disconnected rope and disconnected band are opened in the case where unexpected power loss
Pass then can not usually act.
4. traditional safety device is usually protected just for compartment system, and not for weight balancing system
See there is correlative protection measure, however the damage of weight balancing system can equally directly result in the failure of compartment system.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of elevator lifting security protection system control method, can have in elevator
It realizes under the premise of imitating to each safety device offer electric power support and effectively elevator lifting is protected, and can be in elevator
Protective effect is equally played when power failure.
To achieve the above object, elevator lifting security protection used in this elevator lifting security protection system control method
System includes electricity getting device, overspeed protective device, blocking apparatus and electric control gear；
The electricity getting device include the logical contact line for passing through elevator shaft and be mounted on carriage outer wall by motor structure, connect
The electrical connection of the city Chu Xianyu is equipped with by electric slide plate, bottom end by the top of motor structure by making to be sticked on contact always by electric slide plate
Thread depressing mechanism on line is connect with carriage outer wall；
The overspeed protective device includes guide rail, guide shoe and speed monitoring sensor；Guide rail and the mutual embossed card of guide shoe
It closes clearance fit and the mating surface worked in coordination is all made of magnetic conductive material, guide shoe is fixedly installed along the direction of moving towards of elevator shaft
On elevator shaft inner wall, the position that guide rail corresponds to guide shoe is fixed on the outer wall of carriage, and guide shoe is equipped with flexible sliding
Component and brake shoe, sliding components interior of stretching are equipped with electromagnetic coil and the flexible telescopic direction for sliding component perpendicular to guide shoe
In face of the fit inside face of guide rail, brake shoe is arranged on the fit inside face of guide rail by flexible sliding component；Speed monitoring
Sensor includes displacement sensor and velocity sensor, and displacement sensor is arranged in elevator shaft, and velocity sensor setting exists
In carriage；
The blocking apparatus includes Buffer Unit and forced brake component；Buffer Unit is arranged in carriage and/or counterweight
Bottom end；
Forced brake component is multiple groups along elevator shaft and/or the fixed setting of counterweight hoistway circumferential direction central symmetry, often
Group forced brake component includes that multiple directions of moving towards along elevator shaft and/or counterweight hoistway are uniformly fixed at elevator shaft
And/or the forced brake mechanism on counterweight hoistway inner wall, forced brake mechanism include Brake Block, braking drag pawl, brute spring and
Solenoid electric valve；Brake Block is fixedly mounted on stair shaft road and/or counterweight hoistway inner wall；Braking drags pawl to correspond to Buffer Unit position
Pawl longitudinal section structure triangular in shape is dragged in setting, braking, and the base angle position of triangular structure is hingedly connected on Brake Block, and three
Another base angle position of angular structure is equipped with spring base, and braking, which is dragged, is additionally provided with buckle mechanism on pawl, is additionally provided on Brake Block
The limiting component of pawl flip angle is dragged in limitation braking；Brute spring one end is fixedly mounted on Brake Block, the other end acts against system
On the dynamic spring base for dragging pawl；Solenoid electric valve includes the flexible lock tongue of Electromagnetic Control, and the buckle mechanism of pawl is dragged in the corresponding braking of lock tongue
Setting；
The electric control gear includes that central processing unit, stable steering control loop, velocity estimated circuit, carriage are braked back
Road, analog computing circuit, carriage intercept circuit, and central processing unit is built-in with the upper limit value of safe speed and cal speed, center
Processor is electrically connected with by electromagnetic coil, speed monitoring sensor, the solenoid electric valve of electric slide plate, flexible sliding components interior respectively
It connects, central processing unit is also electrically connected with the electric control system of elevator；
Control method is specific as follows:
A. program input and original state control: elevator lifting security protection system inputs journey to central processing unit using preceding
Sequence, the program can be according to the signals for the displacement sensor feedback being vertically placed equidistant in elevator shaft and/or counterweight hoistway
Judge the position of carriage and/or counterweight and calculates the size of impact force according to the carriage of setting and/or the simulation of the weight of counterweight, into
And calculate the quantity and distance for the forced brake component that output need to act；
Elevator lifting security protection system provides electric energy by electricity getting device for entire elevator lifting security protection system, just
Solenoid electric valve is in the state that lock tongue stretching latches in the buckle mechanism that braking is dragged on pawl when beginning state, and brute spring has been in
The energy storage state of full compression, braking drag pawl to be in and are entirely retracted to state；
B. velocity estimated and stable steering control: when elevator starting, velocity estimated circuit and stable steering control loop
Work, speed monitoring sensor feed back the movement speed of carriage and/or counterweight to central processing unit in real time, when speed monitoring senses
When device feedback carriage and/or the movement speed of counterweight are within the scope of the safe speed upper limit value of program setting, central processing unit
The electromagnetic coil of the flexible sliding components interior of control makes to generate magnetic pole phase between guide rail and the mating surface of the mutual concave-convex engaging of guide shoe
With magnetic field, generating magnetic field repulsive interaction between the mating surface of concave-convex engaging mutually in carriage and/or counterweight lifting process makes guide shoe
Balanced balance thrust is provided the guide rail in carriage and/or counterweight, while this repulsive interaction pushes the flexible slipping part in guide shoe
Part drives brake shoe to the shape in separate guide rail on the mobile medial surface for making brake shoe stick on guide shoe in the direction of guide rail
State；
C. control for brake: when speed monitoring sensor feedback carriage and/or the movement speed of counterweight are in program setting
When range between safe speed upper limit value and cal speed upper limit value, the electricity of the flexible sliding components interior of central processing unit control
Magnetic coil makes to generate the opposite magnetic field of magnetic pole, carriage and/or counterweight liter between guide rail and the guide shoe mating surface that bumps engage mutually
Generating magnetic attraction force during drop between the mating surface of mutual bumps engaging pushes the flexible sliding component drive in guide shoe to brake
Boots hold the on-position of guide rail tightly to being in the mobile mating surface for making brake shoe stick on guide rail in the direction of guide rail；
D. forced brake controls: when the movement speed of speed monitoring sensor feedback carriage and/or counterweight is set in program
When outside fixed cal speed upper limit value range, analog computing circuit work and carriage intercept loop works, and central processing unit passes through
The carriage of displacement sensor feedback and/or the position of counterweight calculate and control in set distance below carriage and/or counterweight
The movement of forced brake component make the solenoid electric valve retraction of forced brake mechanism in the distance, lock tongue driven to be detached to brake and drag
Buckle mechanism on pawl, brute spring release elastic force push braking that pawl is dragged to overturn along its articulated shaft and pop up, the carriage to hurtle down
And/or counterweight is pounded by Buffer Unit and falls in immediate one layer of braking and drag on pawl, Buffer Unit and immediate one layer of braking
Pawl is dragged to absorb part whereabouts potential energy, the excessive potential energy of the carriage to hurtle down and/or counterweight drags immediate one layer of braking
Continue to fall after pawl destruction reduction of speed to pound to fall in underlying second layer braking and drag and continue to be absorbed whereabouts potential energy on pawl, with such
It pushes away, stops until the carriage and/or counterweight that hurtle down are forced braking；Replacement is knocked the buffering group of damage after accident treatment
Part and/or forced brake component.
As a further improvement of the present invention, the buckle mechanism of pawl is dragged in the lock tongue of the solenoid electric valve and braking
Overlap joint mating surface be bevel structure, and the corresponding braking of the bevel structure drag pawl rout up direction setting；Pawl is dragged in the braking
Articulated position on be additionally provided with rotation position switches；The blocking apparatus further includes that pawl resetting-mechanism is dragged in braking, and pawl is dragged in braking
Resetting-mechanism includes that the retinue of carriage and/or counterweight bottom end is arranged in drag pawl reset components and setting in elevator shaft and/or right
The hoistway of bottom end drags pawl reset components in weight hoistway, and it includes corresponding system that retinue, which drags pawl reset components and hoistway to drag pawl reset components,
The dynamic restoring board for dragging pawl to be arranged, it further includes setting along the direction of moving towards of elevator shaft and/or counterweight hoistway that hoistway, which drags pawl reset components,
The track and restoring board traction element set；
When power loss happens, solenoid electric valve is in power failure state, and braking drags pawl under the elastic force effect of brute spring
By corresponding braking drag pawl rout up direction setting bevel structure push open rout up after the lock tongue of solenoid electric valve prevent carriage and/or
Counterweight surprisingly falls, and after power loss situation releases, control restoring board traction element traction hoistway drags pawl reset components along track
Row successively pushes the braking for routing up state being located at below carriage and/or counterweight that pawl overturning is dragged to reset, and is located at carriage and/or counterweight
The braking for routing up state of top drags pawl to be dragged during carriage and/or counterweight uplink by the retinue of carriage and/or counterweight bottom end
Pawl reset components successively push overturning to reset, and rotation position switches action control Electromagnetic Control in pawl overturning reseting procedure is dragged in braking
The lock tongue of valve, which stretches out, carries out locking.
As a further improvement of the present invention, the speed monitoring sensor of the overspeed protective device further includes adding
Velocity sensor, acceleration transducer are electrically connected with the central processing unit of the electric control gear, and central processing unit is built-in with peace
The upper limit value of full acceleration and dangerous acceleration；Velocity estimated circuit is monitored lift car and/or right simultaneously in the b
The movement speed and acceleration of weight.
As a further improvement of the present invention, the electric control gear further includes radio receiving transmitting module, central processing
Device is carried out data transmission by way of wireless connection.
Compared with prior art, this elevator lifting security protection system is due to using contact line and by electric slide plate contact electricity getting
The electricity getting device of form, therefore avoid the drawbacks of damaging using the tediously long of conventional power cable way to take power, fatiguability；Due to
Overspeed protective device includes guide rail, guide shoe and speed monitoring sensor, and guide rail and guide shoe mutually concave-convex engaging clearance fit and
The mating surface worked in coordination is all made of magnetic conductive material, and guide shoe is equipped with flexible sliding component and brake shoe, stretches in sliding component
Portion is equipped with electromagnetic coil and the flexible telescopic direction for sliding component faces the fit inside face of guide rail, brake shoe perpendicular to guide shoe
It is arranged on the fit inside face of guide rail by flexible sliding component, therefore when carriage and/or the movement speed of counterweight are in peace
When within the scope of full speed degree upper limit value, the electromagnetic coil of flexible sliding components interior makes the concave-convex cooperation engaged mutually of guide rail and guide shoe
The suspension guiding that carriage and/or counterweight are realized in the identical magnetic field of magnetic pole is generated between face, while brake shoe is in far from guide rail
State, when carriage and/or the movement speed of counterweight are in except safe speed upper limit value, the electromagnetism for sliding components interior of stretching
Coil makes to generate the opposite magnetic field of magnetic pole between guide rail and the guide shoe mating surface that bumps engage mutually, and simultaneous retractable slides component band
Dynamic brake shoe holds the braking shape of guide rail tightly to being in the mobile mating surface for making brake shoe stick on guide rail in the direction of guide rail
State realizes braking；Due to being equipped with the blocking apparatus including Buffer Unit and forced brake component, and forced brake mechanism includes system
Dynamic seat, braking drag pawl, brute spring and solenoid electric valve, therefore when the movement speed of carriage and/or counterweight is in program setting
Cal speed upper limit value except when, the forced brake component movement in set distance below carriage and/or counterweight makes this
The braking of forced brake mechanism in distance drags pawl to overturn pop-up rapidly, drags the potential energy absorption pattern of pawl to realize by sacrificing braking
Carriage and/or counterweight implementation are effectively braked by force；Since the buckle mechanism of pawl is dragged in the lock tongue of solenoid electric valve and braking
Overlap joint mating surface is bevel structure, and blocking apparatus further includes that pawl resetting-mechanism is dragged in braking, therefore brakes and drag under power failure state
Pawl can be pushed open by bevel structure under the elastic force effect of brute spring rout up after the lock tongue of solenoid electric valve prevent carriage and/or
Counterweight surprisingly falls, and power loss situation can drag pawl resetting-mechanism to drag pawl to be resetted to guarantee elevator braking after releasing by braking
Normal operation.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention；
Fig. 2 is the A-A partial sectional view of Fig. 1；
Fig. 3 is the structural schematic diagram of forced brake component of the present invention；
Fig. 4 is structural schematic diagram when the braking of forced brake component of the present invention drags pawl to rout up state；
Fig. 5 is structural schematic diagram of the blocking apparatus of the present invention in the state of interception.
In figure: 1, electricity getting device, 11, by motor structure, 12, by electric slide plate, 2, overspeed protective device, 21, guide rail, 22, lead
Boots, 23, flexible sliding component, 24, brake shoe, 3, blocking apparatus, 31, Buffer Unit, 32, forced brake component, 321, braking
Seat, 322, braking drag pawl, 323, brute spring, 324, solenoid electric valve, 4, carriage.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
As shown in Figure 1 and Figure 2, this elevator lifting security protection system includes electricity getting device 1, overspeed protective device 2, intercepts
Device 3 and electric control gear.
The electricity getting device 1 include the logical contact line for passing through elevator shaft and be mounted on 4 outer wall of carriage by motor structure
11, contact line is electrically connected with city, is equipped with by the top of motor structure 11 and is passed through thread depressing mechanism and carriage 4 by electric slide plate 12, bottom end
Outer wall connection, thread depressing mechanism can make to be sticked in contact line always by motor structure 11 by electric slide plate 12.
The overspeed protective device 2 includes guide rail 21, guide shoe 22 and speed monitoring sensor；Guide rail 21 and guide shoe 22 are mutual
Mutually the concave-convex mating surface for engaging clearance fit and working in coordination is all made of magnetic conductive material, and guide shoe 22 is along the side of trend of elevator shaft
To being fixed on elevator shaft inner wall, the position of the corresponding guide shoe 22 of guide rail 21 is fixed on the outer wall of carriage 4, guide shoe
22 are equipped with flexible sliding component 23 and brake shoe 24, and electromagnetic coil and flexible slipping part are equipped with inside the sliding component 23 that stretches
The telescopic direction of part 23 faces the fit inside face of guide rail 21 perpendicular to guide shoe 22, and brake shoe 24 is set by flexible sliding component 23
It sets on the fit inside face of guide rail 21；Speed monitoring sensor includes displacement sensor and velocity sensor, displacement sensor
It is arranged in elevator shaft, velocity sensor is arranged in carriage 4.
The blocking apparatus 3 includes Buffer Unit 31 and forced brake component 32；
The bottom end of carriage 4 and/or counterweight is arranged in Buffer Unit 31；
Forced brake component 32 is multiple groups along elevator shaft and/or the fixed setting of counterweight hoistway circumferential direction central symmetry,
Every group of forced brake component 32 includes that multiple directions of moving towards along elevator shaft and/or counterweight hoistway are uniformly fixed at elevator
Forced brake mechanism on hoistway and/or counterweight hoistway inner wall, as shown in Figure 3, Figure 4, forced brake mechanism includes Brake Block
321, pawl 322, brute spring 323 and solenoid electric valve 324 are dragged in braking；Brake Block 321 is fixedly mounted on stair shaft road and/or counterweight
On hoistway inner wall；Corresponding 31 position of the Buffer Unit setting of pawl 322 is dragged in braking, is braked and is dragged 322 longitudinal section of pawl structure triangular in shape, and three
The base angle position of angular structure is hingedly connected on Brake Block 321, another base angle position of triangular structure is equipped with
Spring base, braking, which is dragged, is additionally provided with buckle mechanism on pawl 322, and limitation braking is additionally provided on Brake Block 321 and drags 322 flip angle of pawl
Limiting component；323 one end of brute spring is fixedly mounted on Brake Block 321, the other end acts against the spring base that pawl 322 is dragged in braking
On；Solenoid electric valve 324 includes the lock tongue that Electromagnetic Control is stretched, and the corresponding braking of lock tongue drags the buckle mechanism of pawl 322 to be arranged.
The electric control gear includes that central processing unit, stable steering control loop, velocity estimated circuit, carriage are braked back
Road, analog computing circuit, carriage intercept circuit, and central processing unit is built-in with the upper limit value of safe speed and cal speed, center
Processor is respectively and by electromagnetic coil, the speed monitoring sensor, solenoid electric valve inside electric slide plate 12, flexible sliding component 23
324 electrical connections, central processing unit are also electrically connected with the electric control system of elevator.
Before the installation of this elevator lifting security protection system, need to input program to central processing unit, which can basis
The signal for being vertically placed equidistant with the displacement sensor feedback in elevator shaft and/or counterweight hoistway judges carriage 4 and/or counterweight
Position and according to the carriage of setting 4 and/or the weight of counterweight simulation calculate impact force size, and then judge need to act it is strong
The quantity and distance of brake assemblies 32 processed.
This elevator lifting security protection system provides electricity by electricity getting device 1 for entire elevator lifting security protection system
Can, solenoid electric valve 324 be in lock tongue and stretches out the state for latching in and braking and dragging the buckle mechanism on pawl 322 when original state, this
When brute spring 323 be in compress completely energy storage state, braking drag pawl 322 be in be entirely retracted to state.
When elevator starting when, velocity estimated circuit and stable steering control loop work, speed monitoring sensor in real time to
Central processing unit feeds back the movement speed of carriage 4 and/or counterweight, when the shifting of speed monitoring sensor feedback carriage 4 and/or counterweight
When dynamic speed is within the scope of the safe speed upper limit value of program setting, inside the flexible sliding component 23 of central processing unit control
Electromagnetic coil makes to generate the identical magnetic field of magnetic pole between guide rail 21 and guide shoe 22 mating surface that bumps engage mutually, since magnetic pole is same
Property repel each other, therefore generate magnetic field repulsive interaction between the mating surface of concave-convex engaging mutually in carriage 4 and/or counterweight lifting process and realize
Guide shoe 22 provides the guide rail 21 on carriage 4 and/or counterweight the outstanding of balance thrust, in turn realization carriage 4 and/or the counterweight of equilibrium
Floating guiding, while this repulsive interaction pushes the flexible sliding component 23 in guide shoe 22 to drive brake shoe 24 to the direction for deviating from guide rail 21
In the state far from guide rail 21 on the mobile medial surface for making brake shoe 24 stick on guide shoe 22；
When speed monitoring sensor feedback carriage 4 and/or the movement speed of counterweight are in the safe speed of program setting
When range between limit value and cal speed upper limit value, the electromagnetic coil inside the flexible sliding component 23 of central processing unit control makes
The opposite magnetic field of magnetic pole is generated between guide rail 21 and the mating surface that bumps engage mutually of guide shoe 22, since there is a natural attraction between the sexes for magnetic pole, because
Magnetic attraction force is generated between the mating surface that bumps engage mutually in this carriage 4 and/or counterweight lifting process realizes guide shoe 22 to sedan-chair
Guide rail 21 on compartment 4 and/or counterweight provides balanced balance suction, while this balance suction pushes the flexible sliding in guide shoe 22
Component 23 drives brake shoe 24 to be in in the mobile mating surface for making brake shoe 24 stick on guide rail 21 in the direction of guide rail 21
Hold the on-position of guide rail 21 tightly；
When speed monitoring sensor feedback carriage 4 and/or the movement speed of counterweight are on the cal speed of program setting
When outside limits, that is, when there are the catastrophe failures such as disconnected rope or traction motor driving, analog computing circuit work and carriage are intercepted
The position of loop works, carriage 4 and/or counterweight that central processing unit is fed back by displacement sensor calculates and controls positioned at carriage
4 and/or counterweight below forced brake component 32 in set distance act the electromagnetism control for making the forced brake mechanism in the distance
324 retraction of valve processed drives lock tongue to be detached from braking to drag buckle mechanism on pawl 322, and brute spring 323 discharges rapidly elastic force and pushes system
It is dynamic that pawl 322 is dragged to overturn pop-up along its articulated shaft, as shown in figure 5, the carriage 4 and/or counterweight that hurtle down pass through Buffer Unit 31
It pounds and falls in immediate one layer of braking and drag on pawl 322, Buffer Unit 31 and immediate one layer of braking drag pawl 322 to absorb under part
Potential energy is fallen, immediate one layer braking is dragged pawl 322 to destroy reduction of speed by the excessive potential energy of the carriage 4 and/or counterweight that hurtle down
After continue to fall to pound to fall in the braking of the underlying second layer and drag and continue to be absorbed whereabouts potential energy on pawl 322, and so on, until
The carriage 4 and/or counterweight to hurtle down is forced braking and stops；The replaceable Buffer Unit 31 for being knocked damage after accident treatment
And/or forced brake component 32.
Protection is implemented to carriage 4 and/or counterweight in the case of power loss in order to realize, as a further improvement of the present invention side
It is bevel structure that the overlap joint mating surface of the buckle mechanism of pawl 322 is dragged in case, the lock tongue of the solenoid electric valve 324 and braking, and
The corresponding braking of the bevel structure drags the direction of routing up of pawl 322 to be arranged；The braking drags and is additionally provided with rotation in the articulated position of pawl 322
Turn travel switch；The blocking apparatus 3 further includes that pawl resetting-mechanism is dragged in braking, and it includes being arranged in sedan-chair that pawl resetting-mechanism is dragged in braking
The retinue of compartment 4 and/or counterweight bottom end drags pawl reset components to drag with the hoistway that bottom end in elevator shaft and/or counterweight hoistway is arranged in
Pawl reset components, it includes the corresponding reset braked and pawl 322 is dragged to be arranged that retinue, which drags pawl reset components and hoistway to drag pawl reset components,
Plate, it further includes the track and restoring board for moving towards direction setting along elevator shaft and/or counterweight hoistway that hoistway, which drags pawl reset components,
Traction element；When power loss happens, solenoid electric valve 324 is in power failure state, and braking drags pawl 322 in brute spring 323
After the lower bevel structure for dragging pawl 322 to rout up direction setting by corresponding braking of elastic force effect pushes the lock tongue of solenoid electric valve 324 open
It routs up, can prevent carriage 4 and/or counterweight from surprisingly falling, after power loss situation releases, can be led by controlling restoring board traction element
Drawing hoistway drags pawl reset components successively to push the braking for routing up state below carriage 4 and/or counterweight to drag along track uplink
The overturning of pawl 322 resets, and the braking for routing up state above carriage 4 and/or counterweight drags pawl 322 can be in carriage 4 and/or counterweight
Drag pawl reset components that overturning is successively pushed to reset by the retinue of carriage 4 and/or counterweight bottom end during uplink, pawl 322 is dragged in braking
The lock tongue for overturning rotation position switches action control solenoid electric valve 324 in reseting procedure, which stretches out, carries out locking.
In order to improve reaction speed, guarantee the timely and effective control in lift car 4 and/or counterweight moving process, as
The speed monitoring sensor of further improvement of the present invention scheme, the overspeed protective device 2 further includes acceleration transducer,
Acceleration transducer is electrically connected with the central processing unit of the electric control gear, and central processing unit is built-in with safe acceleration and danger
The upper limit value of dangerous acceleration.By the movement speed and acceleration to lift car 4 and/or counterweight while being monitored and can protect
Demonstrate,prove the movement of timely and effective control lift car 4 and/or counterweight.
Since each sensor and the setting of forced brake mechanism are more, in order to avoid in elevator shaft and/or counterweight hoistway
Arrange more route, as a further improvement of the present invention, the electric control gear further includes radio receiving transmitting module, in
Central processor is carried out data transmission by way of wireless connection.
This elevator lifting security protection system can be applied not only to the elevator of vertical lift, can also be applied to all
In such as mine cage Lifting Convey equipment with vertical hoistway, and it is equally suitable for the oblique elevator with counterweight
With.
This elevator lifting security protection system is due to being taken Denso using contact line and by electric 12 contact electricity getting form of slide plate
The drawbacks of setting 1, therefore avoiding using the tediously long of conventional power cable way to take power, fatiguability damage；Since overspeed protection fills
Setting 2 includes guide rail 21, guide shoe 22 and speed monitoring sensor, and guide rail 21 and guide shoe 22 mutually concave-convex engaging clearance fit and
The mating surface worked in coordination is all made of magnetic conductive material, and guide shoe 22 is equipped with flexible sliding component 23 and brake shoe 24, sliding of stretching
It is equipped with electromagnetic coil inside component 23 and the flexible telescopic direction for sliding component 23 faces the inside of guide rail 21 perpendicular to guide shoe 22
Mating surface, brake shoe 24 are arranged on the fit inside face of guide rail 21 by flexible sliding component 23, thus when carriage 4 and/or
When the movement speed of counterweight is within the scope of safe speed upper limit value, the electromagnetic coil inside flexible sliding component 23 makes guide rail 21
The identical magnetic field of magnetic pole, which is generated, between the mating surface that bumps engage mutually of guide shoe 22 realizes that the suspension of carriage 4 and/or counterweight is led
To, while brake shoe 24 is in the state far from guide rail 21, when carriage 4 and/or the movement speed of counterweight are in safe speed
When except limit value, the electromagnetic coil inside flexible sliding component 23 make guide rail 21 and guide shoe 22 mutually the concave-convex mating surface engaged it
Between generate the opposite magnetic field of magnetic pole, simultaneous retractable sliding component 23 drives brake shoe 24 to make to make to the movement close to the direction of guide rail 21
Dynamic boots 24 stick in the mating surface of guide rail 21 and realize braking in the on-position for holding guide rail 21 tightly；It include buffering due to being equipped with
The blocking apparatus 3 of component 31 and forced brake component 32, and forced brake mechanism includes that pawl 322, strong is dragged in Brake Block 321, braking
Power spring 323 and solenoid electric valve 324, therefore when the movement speed of carriage 4 and/or counterweight is in the cal speed of program setting
When except upper limit value, the movement of forced brake component 32 in set distance below carriage 4 and/or counterweight makes in the distance
The rapid overturning pop-up of pawl 322 is dragged in the braking of forced brake mechanism, and the potential energy absorption pattern realization pair of pawl 322 is dragged by sacrificing braking
Carriage 4 and/or counterweight implementation are effectively braked by force；Since the hasp machine of pawl 322 is dragged in the lock tongue of solenoid electric valve 324 and braking
The overlap joint mating surface of structure is bevel structure, and blocking apparatus 3 further includes that pawl resetting-mechanism is dragged in braking, therefore makes under power failure state
It is routed up after the dynamic lock tongue for dragging pawl 322 that can push solenoid electric valve 324 open by bevel structure under the elastic force effect of brute spring 323
Prevent carriage 4 and/or counterweight from surprisingly falling, power loss situation can drag pawl resetting-mechanism to drag pawl 322 to braking after releasing by braking
Resetted the normal operation to guarantee elevator.
Claims (4)
1. a kind of elevator lifting security protection system control method, used elevator lifting security protection system includes taking Denso
Set (1), overspeed protective device (2), blocking apparatus (3) and electric control gear；
The electricity getting device (1) include the logical contact line for passing through elevator shaft and be mounted on carriage (4) outer wall by motor structure
(11), contact line is electrically connected with city, is equipped with by electric slide plate (12), bottom end by the top of motor structure (11) by making by electric slide plate
(12) thread depressing mechanism sticked in contact line always is connect with carriage (4) outer wall；
The overspeed protective device (2) includes guide rail (21), guide shoe (22) and speed monitoring sensor；Guide rail (21) and guide shoe
(22) the concave-convex mating surface for engaging clearance fit and working in coordination is all made of magnetic conductive material mutually, and guide shoe (22) is along elevator shaft
Direction of moving towards be fixed on elevator shaft inner wall, the position of guide rail (21) corresponding guide shoe (22) is fixed at carriage
(4) on outer wall, guide shoe (22) is equipped with flexible sliding component (23) and brake shoe (24), sets inside flexible sliding component (23)
There is the telescopic direction of electromagnetic coil and flexible sliding component (23) to face the fit inside of guide rail (21) perpendicular to guide shoe (22)
Face, brake shoe (24) are arranged on the fit inside face of guide rail (21) by flexible sliding component (23)；Speed monitoring sensor
Including displacement sensor and velocity sensor, displacement sensor is arranged in elevator shaft, and velocity sensor is arranged in carriage (4)
On；
The blocking apparatus (3) includes Buffer Unit (31) and forced brake component (32)；Buffer Unit (31) is arranged in sedan-chair
Compartment (4) and/or the bottom end of counterweight；
Forced brake component (32) is multiple groups along elevator shaft and/or the fixed setting of counterweight hoistway circumferential direction central symmetry, often
Group forced brake component (32) includes that multiple directions of moving towards along elevator shaft and/or counterweight hoistway are uniformly fixed at elevator
Forced brake mechanism on hoistway and/or counterweight hoistway inner wall, forced brake mechanism include Brake Block (321), brake and drag pawl
(322), brute spring (323) and solenoid electric valve (324)；Brake Block (321) is fixedly mounted on stair shaft road and/or counterweight hoistway
On inner wall；Pawl (322) corresponding Buffer Unit (31) position setting is dragged in braking, and pawl (322) longitudinal section structure triangular in shape is dragged in braking,
The base angle position of triangular structure is hingedly connected on Brake Block (321), on another base angle position of triangular structure
Equipped with spring base, braking, which is dragged, is additionally provided with buckle mechanism on pawl (322), and limitation braking is additionally provided on Brake Block (321) and drags pawl (322)
The limiting component of flip angle；Brute spring (323) one end is fixedly mounted on Brake Block (321), the other end acts against braking
On the spring base for dragging pawl (322)；Solenoid electric valve (324) includes the flexible lock tongue of Electromagnetic Control, and pawl is dragged in the corresponding braking of lock tongue
(322) buckle mechanism setting；
The electric control gear include central processing unit, stable steering control loop, velocity estimated circuit, carriage brake circuit,
Analog computing circuit, carriage intercept circuit, and central processing unit is built-in with the upper limit value of safe speed and cal speed, central processing
Device is respectively and by the internal electromagnetic coil of electric slide plate (12), flexible sliding component (23), speed monitoring sensor, solenoid electric valve
(324) it is electrically connected, central processing unit is also electrically connected with the electric control system of elevator；
It is characterized in that, control method is specific as follows:
A. program input and original state control: elevator lifting security protection system inputs program to central processing unit using preceding,
The program can judge according to the signal for the displacement sensor feedback being vertically placed equidistant in elevator shaft and/or counterweight hoistway
The position of carriage (4) and/or counterweight and the size that impact force is calculated according to the carriage of setting (4) and/or the simulation of the weight of counterweight,
And then calculate the quantity and distance for the forced brake component (32) that output need to act；
Elevator lifting security protection system provides electric energy by electricity getting device (1) for entire elevator lifting security protection system, just
Solenoid electric valve (324) is in the state that lock tongue stretching latches in the buckle mechanism that braking is dragged on pawl (322), strength when beginning state
Spring (323) be in compress completely energy storage state, braking drag pawl (322) be in be entirely retracted to state；
B. velocity estimated and stable steering control: when elevator starting, velocity estimated circuit and the work of stable steering control loop,
Speed monitoring sensor is in real time to central processing unit feedback carriage (4) and/or the movement speed of counterweight, when speed monitoring sensor
When feedback carriage (4) and/or the movement speed of counterweight are within the scope of the safe speed upper limit value of program setting, central processing unit
The internal electromagnetic coil of flexible sliding component (23) of control make guide rail (21) and guide shoe (22) mutually the concave-convex mating surface engaged it
Between generate the identical magnetic field of magnetic pole, generate magnetic between the mating surface of concave-convex engaging mutually in carriage (4) and/or counterweight lifting process
Fieldwise exclusive power makes guide shoe (22) provide the guide rail (21) on carriage (4) and/or counterweight balanced balance thrust, while this mutual exclusion
Pushing the flexible sliding component (23) on dynamic guide shoe (22) drives brake shoe (24) to make to make to the direction movement away from guide rail (21)
Dynamic boots (24) stick on the medial surface of guide shoe (22) in the state far from guide rail (21)；
C. control for brake: when speed monitoring sensor feedback carriage (4) and/or the movement speed of counterweight are in the peace of program setting
When range between full speed degree upper limit value and cal speed upper limit value, central processing unit control flexible sliding component (23) is internal
Electromagnetic coil makes to generate the opposite magnetic field of magnetic pole, carriage between guide rail (21) and guide shoe (22) mating surface that bumps engage mutually
(4) and/or magnetic attraction force is generated between the mating surface of mutual concave-convex engaging in counterweight lifting process push stretching on guide shoe (22)
Contracting sliding component (23) drives brake shoe (24) so that brake shoe (24) is sticked on guide rail to the direction movement close to guide rail (21)
(21) in the on-position for holding guide rail (21) tightly in mating surface；
D. forced brake controls: when speed monitoring sensor feedback carriage (4) and/or the movement speed of counterweight are in program setting
Cal speed upper limit value range outside when, analog computing circuit work and carriage intercept loop works, and central processing unit passes through position
The carriage (4) of displacement sensor feedback and/or the position of counterweight calculates and control set below carriage (4) and/or counterweight away from
Make solenoid electric valve (324) retraction, the drive of the forced brake mechanism in a distance from this from interior forced brake component (32) movement
Lock tongue is detached from the buckle mechanism braked and dragged on pawl (322), and brute spring (323) release elastic force pushes braking to drag pawl (322) along it
Articulated shaft overturning pop-up, the carriage (4) and/or counterweight to hurtle down is pounded by Buffer Unit (31) falls in immediate one layer of system
Dynamic to drag on pawl (322), Buffer Unit (31) and immediate one layer of braking drag pawl (322) to absorb part whereabouts potential energy, under quick
The excessive potential energy of the carriage (4) and/or counterweight that fall continues to fall after dragging pawl (322) to destroy reduction of speed immediate one layer braking
It pounds to fall in underlying second layer braking and drag and continues to be absorbed whereabouts potential energy on pawl (322), and so on, until hurtling down
Carriage (4) and/or counterweight be forced braking stop；After accident treatment replacement be knocked damage Buffer Unit (31) and/or
Forced brake component (32).
2. elevator lifting security protection system control method according to claim 1, which is characterized in that elevator lifting safety
It is inclined-plane knot that the overlap joint mating surface of the buckle mechanism of pawl (322) is dragged in the lock tongue of the solenoid electric valve (324) of guard system and braking
Structure, and the corresponding braking of the bevel structure drags the direction of routing up of pawl (322) to be arranged；The articulated position of pawl (322) is dragged in the braking
On be additionally provided with rotation position switches；The blocking apparatus (3) further includes that pawl resetting-mechanism is dragged in braking, and pawl resetting-mechanism is dragged in braking
Retinue including setting in carriage (4) and/or counterweight bottom end is dragged pawl reset components and is arranged in elevator shaft and/or counterweight hoistway
The hoistway of interior bottom end drags pawl reset components, and it includes that pawl is dragged in corresponding braking that retinue, which drags pawl reset components and hoistway to drag pawl reset components,
(322) restoring board being arranged, it further includes being arranged along the direction of moving towards of elevator shaft and/or counterweight hoistway that hoistway, which drags pawl reset components,
Track and restoring board traction element；
When power loss happens, solenoid electric valve (324) is in power failure state, and braking drags pawl (322) in brute spring (323)
The lower bevel structure for dragging pawl (322) to rout up direction setting by corresponding braking of elastic force effect push solenoid electric valve (324) open
Routing up after lock tongue prevents carriage (4) and/or counterweight from surprisingly falling, and after power loss situation releases, control restoring board traction element is led
Drawing hoistway drags pawl reset components successively to push the braking for routing up state below carriage (4) and/or counterweight along track uplink
It drags pawl (322) overturning to reset, is located at the braking for routing up state above carriage (4) and/or counterweight and drags pawl (322) in carriage (4)
And/or drag pawl reset components that overturning is successively pushed to reset by the retinue of carriage (4) and/or counterweight bottom end during counterweight uplink,
Braking is dragged the lock tongue of rotation position switches action control solenoid electric valve (324) in pawl (322) overturning reseting procedure to stretch out and is carried out
Locking.
3. elevator lifting security protection system control method according to claim 2, which is characterized in that elevator lifting safety
The speed monitoring sensor of the overspeed protective device (2) of guard system further includes acceleration transducer, acceleration transducer and institute
The central processing unit for the electric control gear stated is electrically connected, and central processing unit is built-in with the upper limit of safe acceleration and dangerous acceleration
Value；Velocity estimated circuit is monitored the movement speed and acceleration of lift car (4) and/or counterweight simultaneously in the b.
4. elevator lifting security protection system control method according to claim 3, which is characterized in that the automatically controlled dress
Setting further includes radio receiving transmitting module, and central processing unit is carried out data transmission by way of wireless connection.
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| CN108178044B (en) * | 2018-03-12 | 2024-01-16 | 界首市迅立达电梯有限公司 | Elevator buffer that falls |
| CN108461890A (en) * | 2018-04-17 | 2018-08-28 | 四川省能源投资集团有限责任公司 | A kind of communication pole and its method of adjustment of conveniently adjusting angle |
| CN109019242A (en) * | 2018-09-11 | 2018-12-18 | 管天奇 | A kind of skyscraper multiple-protection intelligent and safe elevator |
| CN113321090B (en) * | 2021-06-04 | 2022-06-24 | 天津市特种设备监督检验技术研究院(天津市特种设备事故应急调查处理中心) | Emergency braking system, braking device and braking method of safety elevator |
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| JP2002104755A (en) * | 2000-09-25 | 2002-04-10 | Mitsubishi Electric Corp | Guide device for elevator |
| MY151628A (en) * | 2006-05-29 | 2014-06-30 | Inventio Ag | Lift facility with a braking device and method for braking a lift facility |
| CN201838879U (en) * | 2010-10-09 | 2011-05-18 | 天津金港祺机电设备有限公司 | Integrated sliding contact take power device |
| JP2016011179A (en) * | 2014-06-27 | 2016-01-21 | 株式会社日立ビルシステム | Door opening travel arrester |
| CN105217393A (en) * | 2015-09-30 | 2016-01-06 | 中国计量学院 | The elevator of tenesmus and accident of rushing to summit can not be there is |
| CN106429700A (en) * | 2016-07-15 | 2017-02-22 | 德尔法电梯有限公司 | Elevator |
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